Sandwich Dosa

Preparation1. Boil tomatoes, cucumber and cut them into slices.2. Make 2 small plain dosa and roast on both the sides.3. On one of the dosa spread green chutney and over it arrange cucumber, tomatoes slices.4. Sprinkle salt, chaat masala and black salt.5. Cover with another dosa and cut it.6. Serve with sauce.